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Simplifying 27 + -4x = -7(1 + -3x) 27 + -4x = (1 * -7 + -3x * -7) 27 + -4x = (-7 + 21x) Solving 27 + -4x = -7 + 21x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-21x' to each side of the equation. 27 + -4x + -21x = -7 + 21x + -21x Combine like terms: -4x + -21x = -25x 27 + -25x = -7 + 21x + -21x Combine like terms: 21x + -21x = 0 27 + -25x = -7 + 0 27 + -25x = -7 Add '-27' to each side of the equation. 27 + -27 + -25x = -7 + -27 Combine like terms: 27 + -27 = 0 0 + -25x = -7 + -27 -25x = -7 + -27 Combine like terms: -7 + -27 = -34 -25x = -34 Divide each side by '-25'. x = 1.36 Simplifying x = 1.36
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